modernize: Use '= default' instead of empty ctor/dtor bodies
[quassel.git] / src / qtui / qtuistyle.cpp
index c96078e..fd10e24 100644 (file)
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-07 by the Quassel IRC Team                         *
+ *   Copyright (C) 2005-2018 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  ***************************************************************************/
 
+#include "chatviewsettings.h"
 #include "qtuistyle.h"
 
-QtUiStyle::QtUiStyle() : UiStyle("QtUiStyle") {
-  // We need to just set our internal formats; everything else is done by the base class...
+#include <QFile>
+#include <QFileInfo>
+#include <QTextStream>
 
-  // Internal message formats
-  QTextCharFormat plainMsg;
-  plainMsg.setForeground(QBrush("black"));
-  setFormat(PlainMsg, plainMsg, Settings::Default);
+QtUiStyle::QtUiStyle(QObject *parent) : UiStyle(parent)
+{
+    ChatViewSettings s;
+    s.notify("UseCustomTimestampFormat", this, SLOT(updateUseCustomTimestampFormat()));
+    updateUseCustomTimestampFormat();
+    s.notify("TimestampFormat", this, SLOT(updateTimestampFormatString()));
+    updateTimestampFormatString();
+    s.notify("SenderPrefixMode", this, SLOT(updateSenderPrefixDisplay()));
+    updateSenderPrefixDisplay();
+    s.notify("ShowSenderBrackets", this, SLOT(updateShowSenderBrackets()));
+    updateShowSenderBrackets();
 
-  QTextCharFormat notice;
-  notice.setForeground(QBrush("navy"));
-  setFormat(NoticeMsg, notice, Settings::Default);
+    // If no style sheet exists, generate it on first run.
+    initializeSettingsQss();
+}
+
+
+void QtUiStyle::updateUseCustomTimestampFormat()
+{
+    ChatViewSettings s;
+    setUseCustomTimestampFormat(s.useCustomTimestampFormat());
+}
 
-  QTextCharFormat server;
-  server.setForeground(QBrush("navy"));
-  setFormat(ServerMsg, server, Settings::Default);
+void QtUiStyle::updateTimestampFormatString()
+{
+    ChatViewSettings s;
+    setTimestampFormatString(s.timestampFormatString());
+}
 
-  QTextCharFormat error;
-  error.setForeground(QBrush("red"));
-  setFormat(ErrorMsg, error, Settings::Default);
+void QtUiStyle::updateSenderPrefixDisplay()
+{
+    ChatViewSettings s;
+    setSenderPrefixDisplay(s.SenderPrefixDisplay());
+}
 
-  QTextCharFormat join;
-  join.setForeground(QBrush("green"));
-  setFormat(JoinMsg, join, Settings::Default);
+void QtUiStyle::updateShowSenderBrackets()
+{
+    ChatViewSettings s;
+    enableSenderBrackets(s.showSenderBrackets());
+}
+
+
+void QtUiStyle::initializeSettingsQss()
+{
+    QFileInfo settingsQss(Quassel::configDirPath() + "settings.qss");
+    // Only initialize if it doesn't already exist
+    if (settingsQss.exists())
+        return;
+
+    // Generate and load the new stylesheet
+    generateSettingsQss();
+    reload();
+}
 
-  QTextCharFormat part;
-  part.setForeground(QBrush("indianred"));
-  setFormat(PartMsg, part, Settings::Default);
+void QtUiStyle::generateSettingsQss() const
+{
+    QFile settingsQss(Quassel::configDirPath() + "settings.qss");
 
-  QTextCharFormat quit;
-  quit.setForeground(QBrush("indianred"));
-  setFormat(QuitMsg, quit, Settings::Default);
+    if (!settingsQss.open(QFile::WriteOnly|QFile::Truncate)) {
+        qWarning() << "Could not open" << settingsQss.fileName() << "for writing!";
+        return;
+    }
+    QTextStream out(&settingsQss);
 
-  QTextCharFormat kick;
-  kick.setForeground(QBrush("indianred"));
-  setFormat(KickMsg, kick, Settings::Default);
+    out << "// Style settings made in Quassel's configuration dialog\n"
+        << "// This file is automatically generated, do not edit\n";
 
-  QTextCharFormat nren;
-  nren.setForeground(QBrush("magenta"));
-  setFormat(RenameMsg, nren, Settings::Default);
+    // ChatView
+    ///////////
+    QtUiStyleSettings fs("Fonts");
+    if (fs.value("UseCustomChatViewFont").toBool())
+        out << "\n// ChatView Font\n"
+            << "ChatLine { " << fontDescription(fs.value("ChatView").value<QFont>()) << "; }\n";
 
-  QTextCharFormat mode;
-  mode.setForeground(QBrush("steelblue"));
-  setFormat(ModeMsg, mode, Settings::Default);
+    QtUiStyleSettings s("Colors");
+    if (s.value("UseChatViewColors").toBool()) {
+        out << "\n// Custom ChatView Colors\n"
 
-  QTextCharFormat action;
-  action.setFontItalic(true);
-  action.setForeground(QBrush("darkmagenta"));
-  setFormat(ActionMsg, action, Settings::Default);
+        // markerline is special in that it always used to use a gradient, so we keep this behavior even with the new implementation
+        << "Palette { marker-line: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 " << color("MarkerLine", s) << ", stop: 0.1 transparent); }\n"
+        << "ChatView { background: " << color("ChatViewBackground", s) << "; }\n\n"
+        << "ChatLine[label=\"highlight\"] {\n"
+        << "  foreground: " << color("Highlight", s) << ";\n"
+        << "  background: " << color("HighlightBackground", s) << ";\n"
+        << "}\n\n"
+        << "ChatLine::timestamp { foreground: " << color("Timestamp", s) << "; }\n\n"
 
-  // Internal message element formats
-  QTextCharFormat ts;
-  ts.setForeground(QBrush("grey"));
-  setFormat(Timestamp, ts, Settings::Default);
+        << msgTypeQss("plain", "ChannelMsg", s)
+        << msgTypeQss("notice", "ServerMsg", s)
+        << msgTypeQss("action", "ActionMsg", s)
+        << msgTypeQss("nick", "CommandMsg", s)
+        << msgTypeQss("mode", "CommandMsg", s)
+        << msgTypeQss("join", "CommandMsg", s)
+        << msgTypeQss("part", "CommandMsg", s)
+        << msgTypeQss("quit", "CommandMsg", s)
+        << msgTypeQss("kick", "CommandMsg", s)
+        << msgTypeQss("kill", "CommandMsg", s)
+        << msgTypeQss("server", "ServerMsg", s)
+        << msgTypeQss("info", "ServerMsg", s)
+        << msgTypeQss("error", "ErrorMsg", s)
+        << msgTypeQss("daychange", "ServerMsg", s)
+        << msgTypeQss("topic", "CommandMsg", s)
+        << msgTypeQss("netsplit-join", "CommandMsg", s)
+        << msgTypeQss("netsplit-quit", "CommandMsg", s)
+        << msgTypeQss("invite", "CommandMsg", s)
+        << "\n";
+    }
 
-  QTextCharFormat sender;
-  sender.setAnchor(true);
-  sender.setForeground(QBrush("navy"));
-  setFormat(Sender, sender, Settings::Default);
+    if (s.value("UseSenderColors", true).toBool()) {
+        out << "\n// Sender Colors\n";
+        // Generate a color palette for easy reuse elsewhere
+        // NOTE: A color palette is not a complete replacement for specifying the colors below, as
+        // specifying the colors one-by-one instead of with QtUi::style()->brush(...) makes it easy
+        // to toggle the specific coloring of sender/nick at the cost of regenerating this file.
+        // See UiStyle::ColorRole
+        out << senderPaletteQss(s);
 
-  QTextCharFormat nick;
-  nick.setAnchor(true);
-  nick.setFontWeight(QFont::Bold);
-  setFormat(Nick, nick, Settings::Default);
+        out << "ChatLine::sender#plain[sender=\"self\"] { foreground: palette(sender-color-self); }\n\n";
 
-  QTextCharFormat hostmask;
-  hostmask.setFontItalic(true);
-  setFormat(Hostmask, hostmask, Settings::Default);
+        // Matches qssparser.cpp for UiStyle::PlainMsg
+        for (int i = 0; i < defaultSenderColors.count(); i++)
+            out << senderQss(i, "plain");
 
-  QTextCharFormat channel;
-  channel.setAnchor(true);
-  channel.setFontWeight(QFont::Bold);
-  setFormat(ChannelName, channel, Settings::Default);
+        // Only color the nicks in CTCP ACTIONs if sender colors are enabled
+        if (s.value("UseSenderActionColors", true).toBool()) {
+            // For action messages, color the 'sender' column -and- the nick itself
+            out << "\n// Sender Nickname Colors for action messages\n"
+                << "ChatLine::sender#action[sender=\"self\"] { foreground: palette(sender-color-self); }\n"
+                << "ChatLine::nick#action[sender=\"self\"] { foreground: palette(sender-color-self); }\n\n";
 
-  QTextCharFormat flags;
-  flags.setFontWeight(QFont::Bold);
-  setFormat(ModeFlags, flags, Settings::Default);
+            // Matches qssparser.cpp for UiStyle::ActionMsg
+            for (int i = 0; i < defaultSenderColors.count(); i++)
+                out << senderQss(i, "action", true);
+        }
 
-  QTextCharFormat url;
-  url.setFontUnderline(true);
-  url.setAnchor(true);
-  setFormat(Url, url, Settings::Default);
+        // Only color the nicks in CTCP ACTIONs if sender colors are enabled
+        if (s.value("UseNickGeneralColors", true).toBool()) {
+            // For action messages, color the 'sender' column -and- the nick itself
+            out << "\n// Nickname colors for all messages\n"
+                << "ChatLine::nick[sender=\"self\"] { foreground: palette(sender-color-self); }\n\n";
 
+            // Matches qssparser.cpp for any style of message (UiStyle::...)
+            for (int i = 0; i < defaultSenderColors.count(); i++)
+                out << nickQss(i);
+        }
 
+    }
+
+    // ItemViews
+    ////////////
+
+    UiStyleSettings uiFonts("Fonts");
+    if (uiFonts.value("UseCustomItemViewFont").toBool()) {
+        QString fontDesc = fontDescription(uiFonts.value("ItemView").value<QFont>());
+        out << "\n// ItemView Font\n"
+            << "ChatListItem { " << fontDesc << "; }\n"
+            << "NickListItem { " << fontDesc << "; }\n\n";
+    }
+
+    UiStyleSettings uiColors("Colors");
+    if (uiColors.value("UseBufferViewColors").toBool()) {
+        out << "\n// BufferView Colors\n"
+            << "ChatListItem { foreground: " << color("DefaultBuffer", uiColors) << "; }\n"
+            << chatListItemQss("inactive", "InactiveBuffer", uiColors)
+            << chatListItemQss("channel-event", "ActiveBuffer", uiColors)
+            << chatListItemQss("unread-message", "UnreadBuffer", uiColors)
+            << chatListItemQss("highlighted", "HighlightedBuffer", uiColors);
+    }
+
+    if (uiColors.value("UseNickViewColors").toBool()) {
+        out << "\n// NickView Colors\n"
+            << "NickListItem[type=\"category\"] { foreground: " << color("DefaultBuffer", uiColors) << "; }\n"
+            << "NickListItem[type=\"user\"] { foreground: " << color("OnlineNick", uiColors) << "; }\n"
+            << "NickListItem[type=\"user\", state=\"away\"] { foreground: " << color("AwayNick", uiColors) << "; }\n";
+    }
+
+    settingsQss.close();
 }
 
-QtUiStyle::~QtUiStyle() {}
+
+QString QtUiStyle::color(const QString &key, UiSettings &settings, const QColor &defaultColor) const
+{
+    return settings.value(key, defaultColor).value<QColor>().name();
+}
+
+
+QString QtUiStyle::fontDescription(const QFont &font) const
+{
+    QFont::Style style = font.style();
+    int weight = font.weight();
+
+    return QString("font: %1 %2 %3pt \"%4\"")
+        .arg(style == QFont::StyleItalic  ? "italic"  :
+             style == QFont::StyleOblique ? "oblique" :
+                                            "normal")
+        .arg(100 * qBound(1, (weight * 8 + 50) / 100, 9))
+        .arg(font.pointSize())
+        .arg(font.family());
+}
+
+
+QString QtUiStyle::msgTypeQss(const QString &msgType, const QString &key, UiSettings &settings) const
+{
+    return QString("ChatLine#%1 { foreground: %2; }\n").arg(msgType, color(key, settings));
+}
+
+
+QString QtUiStyle::senderPaletteQss(UiSettings &settings) const
+{
+    QString result;
+    result += "Palette {\n";
+
+    // Generate entries for sender-color-self
+    result += QString("    sender-color-self: %1;\n")
+              .arg(color("SenderSelf", settings, defaultSenderColorSelf));
+
+    // Generate entries for sender-color-HASH
+    for (int i = 0; i < defaultSenderColors.count(); i++) {
+        QString dez = QString::number(i);
+        if (dez.length() == 1) dez.prepend('0');
+        result += QString("    sender-color-0%1: %2;\n")
+                .arg(QString::number(i, 16), color("Sender"+dez, settings, defaultSenderColors[i]));
+    }
+    result += "}\n\n";
+    return result;
+}
+
+
+QString QtUiStyle::senderQss(int i, const QString &messageType, bool includeNick) const
+{
+    QString dez = QString::number(i);
+    if (dez.length() == 1) dez.prepend('0');
+
+    if (includeNick) {
+        // Include the nickname in the color rules
+        return QString("ChatLine::sender#%1[sender=\"0%2\"] { foreground: palette(sender-color-0%2); }\n"
+                       "ChatLine::nick#%1[sender=\"0%2\"]   { foreground: palette(sender-color-0%2); }\n")
+                .arg(messageType, QString::number(i, 16));
+    } else {
+        return QString("ChatLine::sender#%1[sender=\"0%2\"] { foreground: palette(sender-color-0%2); }\n")
+                .arg(messageType, QString::number(i, 16));
+    }
+}
+
+
+QString QtUiStyle::nickQss(int i) const
+{
+    QString dez = QString::number(i);
+    if (dez.length() == 1) dez.prepend('0');
+
+    return QString("ChatLine::nick[sender=\"0%1\"]   { foreground: palette(sender-color-0%1); }\n")
+            .arg(QString::number(i, 16));
+}
+
+
+QString QtUiStyle::chatListItemQss(const QString &state, const QString &key, UiSettings &settings) const
+{
+    return QString("ChatListItem[state=\"%1\"] { foreground: %2; }\n").arg(state, color(key, settings));
+}